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OpenZFS 5120 - zfs should allow large block/gzip/raidz boot pool (loader project) 

Authored by: Toomas Soome <tsoome@me.com>
Reviewed by: George Wilson <george.wilson@delphix.com>
Reviewed by: Yuri Pankov <yuri.pankov@nexenta.com>
Reviewed by: Andrew Stormont <andyjstormont@gmail.com>
Reviewed by: Matthew Ahrens <mahrens@delphix.com>
Approved by: Robert Mustacchi <rm@joyent.com>
Reviewed-by: Giuseppe Di Natale <dinatale2@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Reviewed-by: Don Brady <don.brady@intel.com>
Ported-by: Brian Behlendorf <behlendorf1@llnl.gov>

Porting Notes:
- grub-2.02-beta2-422-gcad5cc0 includes support for large blocks.
- Commit 8aab121 allowed GZIP[1-9].
- Grub allows pools with multiple top-level vdevs.

OpenZFS-issue: https://www.illumos.org/issues/5120
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/c8811bd
Closes #6007
This commit is contained in:
Brian Behlendorf 2017-04-13 09:40:00 -07:00 committed by GitHub
parent a167aa7cd4
commit e550644f0c
4 changed files with 12 additions and 34 deletions
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2
include/sys/zio.h
View File

@ -24,6 +24,8 @@
* Copyright 2011 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2012, 2017 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
* Copyright (c) 2013, Joyent, Inc. All rights reserved.
* Copyright 2016 Toomas Soome <tsoome@me.com>
*/
#ifndef _ZIO_H

8
module/zfs/spa.c
View File

@ -26,6 +26,8 @@
* Copyright (c) 2013, 2014, Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2014 Spectra Logic Corporation, All rights reserved.
* Copyright 2013 Saso Kiselkov. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2016 Toomas Soome <tsoome@me.com>
* Copyright (c) 2016 Actifio, Inc. All rights reserved.
*/
@ -534,12 +536,6 @@ spa_prop_validate(spa_t *spa, nvlist_t *props)
&propval)) == 0 &&
!BOOTFS_COMPRESS_VALID(propval)) {
error = SET_ERROR(ENOTSUP);
} else if ((error =
dsl_prop_get_int_ds(dmu_objset_ds(os),
zfs_prop_to_name(ZFS_PROP_RECORDSIZE),
&propval)) == 0 &&
propval > SPA_OLD_MAXBLOCKSIZE) {
error = SET_ERROR(ENOTSUP);
} else if ((error =
dsl_prop_get_int_ds(dmu_objset_ds(os),
zfs_prop_to_name(ZFS_PROP_DNODESIZE),

24
module/zfs/vdev.c
View File

@ -23,6 +23,8 @@
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright 2015 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2016 Toomas Soome <tsoome@me.com>
*/
#include <sys/zfs_context.h>
@ -3542,36 +3544,22 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
/*
* Check the vdev configuration to ensure that it's capable of supporting
* a root pool.
* a root pool. We do not support partial configuration.
*/
boolean_t
vdev_is_bootable(vdev_t *vd)
{
#if defined(__sun__) || defined(__sun)
/*
* Currently, we do not support RAID-Z or partial configuration.
* In addition, only a single top-level vdev is allowed and none of the
* leaves can be wholedisks.
*/
int c;
if (!vd->vdev_ops->vdev_op_leaf) {
char *vdev_type = vd->vdev_ops->vdev_op_type;
const char *vdev_type = vd->vdev_ops->vdev_op_type;
if (strcmp(vdev_type, VDEV_TYPE_ROOT) == 0 &&
vd->vdev_children > 1) {
if (strcmp(vdev_type, VDEV_TYPE_MISSING) == 0)
return (B_FALSE);
} else if (strcmp(vdev_type, VDEV_TYPE_RAIDZ) == 0 ||
strcmp(vdev_type, VDEV_TYPE_MISSING) == 0) {
return (B_FALSE);
}
}
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
if (!vdev_is_bootable(vd->vdev_child[c]))
return (B_FALSE);
}
#endif /* __sun__ || __sun */
return (B_TRUE);
}

12
module/zfs/zfs_ioctl.c
View File

@ -30,6 +30,8 @@
* Copyright (c) 2011, 2015 by Delphix. All rights reserved.
* Copyright (c) 2013 by Saso Kiselkov. All rights reserved.
* Copyright (c) 2013 Steven Hartland. All rights reserved.
* Copyright (c) 2014 Integros [integros.com]
* Copyright 2016 Toomas Soome <tsoome@me.com>
* Copyright (c) 2016 Actifio, Inc. All rights reserved.
*/
@ -3856,16 +3858,6 @@ zfs_check_settable(const char *dsname, nvpair_t *pair, cred_t *cr)
intval > SPA_OLD_MAXBLOCKSIZE) {
spa_t *spa;
/*
* If this is a bootable dataset then
* we don't allow large (>128K) blocks,
* because GRUB doesn't support them.
*/
if (zfs_is_bootfs(dsname) &&
intval > SPA_OLD_MAXBLOCKSIZE) {
return (SET_ERROR(ERANGE));
}
/*
* We don't allow setting the property above 1MB,
* unless the tunable has been changed.